Pith Number

pith:QZJNPEFS

pith:2010:QZJNPEFSIUUEASIRW67SBEZTZR

not attested not anchored not stored refs pending

Efficient Local Search Algorithms for Known and New Neighborhoods for the Generalized Traveling Salesman Problem

Daniel Karapetyan, Gregory Gutin

arxiv:1005.5525 v4 · 2010-05-30 · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QZJNPEFSIUUEASIRW67SBEZTZR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:02:25.353721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8652d790b24528404911b7bf209333cc59d26ed154496a3314ea6c79ccdc31d5

Aliases

arxiv: 1005.5525 · arxiv_version: 1005.5525v4 · doi: 10.48550/arxiv.1005.5525 · pith_short_12: QZJNPEFSIUUE · pith_short_16: QZJNPEFSIUUEASIR · pith_short_8: QZJNPEFS

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QZJNPEFSIUUEASIRW67SBEZTZR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 8652d790b24528404911b7bf209333cc59d26ed154496a3314ea6c79ccdc31d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53d3b07571fc61e95f0a36f52a0a76759c0adb874574dd30ce9745f36ac1dc36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-05-30T13:13:09Z",
    "title_canon_sha256": "30be6f367b100a46d99cb5d7abbebf816c172cf023138fc9bbd339d34cb50456"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.5525",
    "kind": "arxiv",
    "version": 4
  }
}